#CF3F39#CF3F39

#CF3F39 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.7% C 0.182 H 26.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F39
RGB	rgb(207, 63, 57)
HSL	hsl(2, 61%, 52%)
HSV	hsv(2, 72%, 81%)
CMYK	cmyk(0%, 69.6%, 72.5%, 18.8%)
CIE-LAB	lab(48.41, 56.05, 36.29)
CIE-LCH	lch(48.41, 66.78, 32.92°)
OKLab	oklab(57.68% 0.1621 0.0823)
OKLCH	oklch(57.68% 0.182 26.9)
XYZ	xyz(28.2513, 17.1200, 5.6870)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F39 #39C9CF

analogous

#CF397E #CF3F39 #CF8A39

triadic

#CF3F39 #39CF3F #3F39CF

tetradic

#CF3F39 #7ECF39 #39C9CF #8A39CF

square

#CF3F39 #7ECF39 #39C9CF #8A39CF

split-complementary

#CF3F39 #39CF8A #397ECF

monochromatic

#721F1C #A32D28 #CF3F39 #DB6F6A #E79F9C

Accessibility & contrast

On white

4.75

#CF3F39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#CF3F39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F39

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F39	#FFFFFF	#000000	##FFFFFF
##CF3F39	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F37

Deuteranopia (green-blind)

#8C7E34

Tritanopia (blue-blind)

#E40B3F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f39;
/* rgb */ color: rgb(207, 63, 57);
/* oklch */ color: oklch(57.7% 0.182 26.9);

Tailwind

colors: {
  custom: {
    50: '#e67d70',
    500: '#cf3f39',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f39;
$custom-light: #e67d70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f39",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 2.4,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57682,
    "c": 0.18181,
    "h": 26.9
  },
  "luminance": 0.17116
}

Semantic roles & 50–950 ramp

primary

#CF3F39

secondary

#91D0D3

accent

#DEE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF3F39

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →